C312322331333132212111133133313331323133313221211113313332313232232211   >>    C31232233133313221211113313331333132313331322121111331333231323223221   <<    C312322331333132212111133133313331323133313221211113313332313232232213   >>      C312322331333132212111133133313331323133313221211113313332313232232212   >>