C312322331333132212111133133313331312111133132121111113313113231   >>    C31232233133313221211113313331333131211113313212111111331311323   <<    C312322331333132212111133133313331312111133132121111113313113233   >>      C312322331333132212111133133313331312111133132121111113313113232   >>