C31232233133313221211113313331333132313331322121111112113313332211   >>    C3123223313331322121111331333133313231333132212111111211331333221   <<    C31232233133313221211113313331333132313331322121111112113313332213   >>      C31232233133313221211113313331333132313331322121111112113313332212   >>