C31232233133313221211113313331333133313331212111133132322232132313112121   >>    C3123223313331322121111331333133313331333121211113313232223213231311212   <<    C31232233133313221211113313331333133313331212111133132322232132313112123   >>      C31232233133313221211113313331333133313331212111133132322232132313112122   >>