C31232233133313221211113313331333132313331322121111133112112321   >>    C3123223313331322121111331333133313231333132212111113311211232   <<    C31232233133313221211113313331333132313331322121111133112112323   >>      C31232233133313221211113313331333132313331322121111133112112322   >>