C31232233133313221211113313331333133313331212111133133313132322132212331   >>    C3123223313331322121111331333133313331333121211113313331313232213221233   <<    C31232233133313221211113313331333133313331212111133133313132322132212333   >>      C31232233133313221211113313331333133313331212111133133313132322132212332   >>