seq1,seq1,0
seq1,seq2,1
seq1,seq3,2
seq1,seq4,3
seq2,seq1,1
seq2,seq2,0
seq2,seq3,3
seq2,seq4,4
seq3,seq1,2
seq3,seq2,3
seq3,seq3,0
seq3,seq4,4
seq4,seq1,3
seq4,seq2,4
seq4,seq3,4
seq4,seq4,0