C31232233133313221211113313331333132313331322121111121111131133112321   >>    C3123223313331322121111331333133313231333132212111112111113113311232   <<    C31232233133313221211113313331333132313331322121111121111131133112323   >>      C31232233133313221211113313331333132313331322121111121111131133112322   >>