C31232233133313221211113313331333132313331322121111121111111133133332221   >>    C3123223313331322121111331333133313231333132212111112111111113313333222   <<    C31232233133313221211113313331333132313331322121111121111111133133332223   >>      C31232233133313221211113313331333132313331322121111121111111133133332222   >>