C11111333133313232233133313331333133112111112113313231333132323131312231   >>    C1111133313331323223313331333133313311211111211331323133313232313131223   <<    C11111333133313232233133313331333133112111112113313231333132323131312233   >>      C11111333133313232233133313331333133112111112113313231333132323131312232   >>