C313212111113331323312111133133313331333133313331333133313331322133313112113111   >>    C31321211111333132331211113313331333133313331333133313331333132213331311211311   <<    C313212111113331323312111133133313331333133313331333133313331322133313112113113   >>      C313212111113331323312111133133313331333133313331333133313331322133313112113112   >>