C31232233133313221211113313331333133313331212111133133313132321321   >>    C3123223313331322121111331333133313331333121211113313331313232132   <<    C31232233133313221211113313331333133313331212111133133313132321323   >>      C31232233133313221211113313331333133313331212111133133313132321322   >>