C31232233133313221211113313331333133313331212111112111113331323213231323221   >>    C3123223313331322121111331333133313331333121211111211111333132321323132322   <<    C31232233133313221211113313331333133313331212111112111113331323213231323223   >>      C31232233133313221211113313331333133313331212111112111113331323213231323222   >>