C31232233133313221211113313331333132313331322121111132313231311211211331   >>    C3123223313331322121111331333133313231333132212111113231323131121121133   <<    C31232233133313221211113313331333132313331322121111132313231311211211333   >>      C31232233133313221211113313331333132313331322121111132313231311211211332   >>