import sys
input = sys.stdin.readline

mod=10**9+7

from itertools import permutations

M=[list(map(int,input().split())) for i in range(7)]

L1=list(permutations([0,2,4,6]))
L2=list(permutations([1,3,5]))

ANS=0
for X in L1:
    for Y in L2:
        U=X+Y
        DP=[0]*20002
        DP[0]=1

        for i in range(7):
            k=U[i]
            MIN,MAX=M[k]

            NDP=[0]*20002
            SUM=0

            for j in range(20002):
                SUM=(SUM+DP[j])%mod

                if MIN<=j<=MAX:
                    if i==6:
                        ANS+=SUM
                    else:
                        NDP[j+1]=SUM

            DP=NDP

        U=Y+X
        DP=[0]*20002
        DP[0]=1
        for i in range(7):
            k=U[i]
            MIN,MAX=M[k]

            NDP=[0]*20002
            SUM=0

            for j in range(20002):
                SUM=(SUM+DP[j])%mod

                if MIN<=j<=MAX:
                    if i==6:
                        ANS+=SUM
                    else:
                        NDP[j+1]=SUM

            DP=NDP

print(ANS%mod)