C1111133313331323223313331333133313331333232233133112312323131211   >>    C111113331333132322331333133313331333133323223313311231232313121   <<    C1111133313331323223313331333133313331333232233133112312323131213   >>      C1111133313331323223313331333133313331333232233133112312323131212   >>