C31232233133313221211113313331333132313331322121111331321121221   >>    C3123223313331322121111331333133313231333132212111133132112122   <<    C31232233133313221211113313331333132313331322121111331321121223   >>      C31232233133313221211113313331333132313331322121111331321121222   >>