C31232233133313221211113313331333133313331212111113331323213111   >>    C3123223313331322121111331333133313331333121211111333132321311   <<    C31232233133313221211113313331333133313331212111113331323213113   >>      C31232233133313221211113313331333133313331212111113331323213112   >>