C312322331333132212111133133313331312111133132233132322331333133313211   >>    C31232233133313221211113313331333131211113313223313232233133313331321   <<    C312322331333132212111133133313331312111133132233132322331333133313213   >>      C312322331333132212111133133313331312111133132233132322331333133313212   >>