C313212111113331323312111133133313331333133313331333133313331323213231111   >>    C31321211111333132331211113313331333133313331333133313331333132321323111   <<    C313212111113331323312111133133313331333133313331333133313331323213231113   >>      C313212111113331323312111133133313331333133313331333133313331323213231112   >>