C312322331333132212111133133313331323133313221211113313233333221333211   >>    C31232233133313221211113313331333132313331322121111331323333322133321   <<    C312322331333132212111133133313331323133313221211113313233333221333213   >>      C312322331333132212111133133313331323133313221211113313233333221333212   >>