import sys
input = lambda : sys.stdin.readline().rstrip()

write = lambda x: sys.stdout.write(x+"\n"); writef = lambda x: print("{:.12f}".format(x))
debug = lambda x: sys.stderr.write(x+"\n")
YES="Yes"; NO="No"; pans = lambda v: print(YES if v else NO)
LI = lambda : list(map(int, input().split()))
# sys.setrecursionlimit(3*10**5+10)

class BaseF2:
    def  __init__(self, vs=None):
        """vs: list of vecotr in F2
        orig[i] : i番目の基底に対応する入力された整数
        index[i]: i番目の基底を作るときにinsertした数を復元するために必要なbaseの要素のインデックス
        """
        self.base = [0]
        self.orig = [0]
        self.index = [0]
        if vs is not None:
            for v in vs:
                self.insert(v)
    def dim(self):
        return len(self.base)
    def insert(self, v):
        # 次元が上がったかを返す
        v0 = v
        ind = 0
        for i,u in enumerate(self.base):
            if v^u < v:
                v = v^u
                ind ^= self.index[i]
            if v==0:
                return False
        ind ^= (1<<len(self.base))
        self.base.append(v)
        self.orig.append(v0)
        self.index.append(ind)
        return True
    def check(self, v):
        res = [] # vを作るためのbaseの整数の組み合わせ方
        b = 0 # vを作るためのorigの整数の組み合わせ方
        for i,u in enumerate(self.base):
            nv = min(v, v^u)
            if nv<v:
                res.append(i)
                b ^= self.index[i]
                v = nv
        return v==0 , res, b
    def clear(self):
        self.base = []

n,m = list(map(int, input().split()))
x = int(input(),2)
a = [int(input(),2) for _ in range(n)]
base = BaseF2()
mask = (1<<m) - 1
l = []
for i in range(m):
    for j in range(n):
        val = (a[j]<<i)&mask
        if val:
            if base.insert(val):
                l.append((val, i, j))
def xor(i,j):
    global ind
    ll.append((2, ind, i, j))
    ind0 = ind
    ind += 1
    ll.append((2, ind, ind0, i))
    ind1 = ind
    ind += 1
    ll.append((2, ind, ind0, j))
    ind2 = ind
    ind += 1
    ll.append((2, 0, ind1, ind2))
    _a[0] = _a[i]^_a[j]
def shift(i):
    ll.append((1, i, i))
    _a[i] <<= 1

f, res, b = base.check(x)
if not f:
    print(-1)
else:
    ans = []
    ss = [[] for _ in range(n+1)]
    xx = 0
    for i in range(len(base.orig)):
        if b>>i&1:
            ans.append(l[i-1])
            v,ii,jj = l[i-1]
            jj += 1
            ss[jj].append(ii)
            xx ^= v
    assert xx==x
    ll = []
    ind = 1000
    _a = [0] + a + [0]*10000
    for i in range(1, n+1):
        tmp = ss[i]
        tmp.sort()
        p = 0
        for k in tmp:
            for _ in range(k-p):
                shift(i)
                p = k
            xor(0, i)
#     assert _a[0]==x
    assert len(ll)<=1000
    print(len(ll))
    for item in ll:
        write(" ".join(map(str, item)))