C312322331333132212111133133313331323133313221211111122233131133132212111   >>    C31232233133313221211113313331333132313331322121111112223313113313221211   <<    C312322331333132212111133133313331323133313221211111122233131133132212113   >>      C312322331333132212111133133313331323133313221211111122233131133132212112   >>