C313212111113331323312111133133313331333133313331333133313331323212112111   >>    C31321211111333132331211113313331333133313331333133313331333132321211211   <<    C313212111113331323312111133133313331333133313331333133313331323212112113   >>      C313212111113331323312111133133313331333133313331333133313331323212112112   >>