C11111333133313232233133313331333133112111112113313231333132221211311   >>    C1111133313331323223313331333133313311211111211331323133313222121131   <<    C11111333133313232233133313331333133112111112113313231333132221211313   >>      C11111333133313232233133313331333133112111112113313231333132221211312   >>