C31232233133313221211113313331333132313331322121111132233312331   >>    C3123223313331322121111331333133313231333132212111113223331233   <<    C31232233133313221211113313331333132313331322121111132233312333   >>      C31232233133313221211113313331333132313331322121111132233312332   >>