C31232233133313221211113313331333131211113313231333132322131231   >>    C3123223313331322121111331333133313121111331323133313232213123   <<    C31232233133313221211113313331333131211113313231333132322131233   >>      C31232233133313221211113313331333131211113313231333132322131232   >>