C313212111113331323312111133133313331333133313331333133313331331123231323221231   >>    C31321211111333132331211113313331333133313331333133313331333133112323132322123   <<    C313212111113331323312111133133313331333133313331333133313331331123231323221233   >>      C313212111113331323312111133133313331333133313331333133313331331123231323221232   >>