C312322331333132212111133133313331333133112112312111133131223131   >>    C31232233133313221211113313331333133313311211231211113313122313   <<    C312322331333132212111133133313331333133112112312111133131223133   >>      C312322331333132212111133133313331333133112112312111133131223132   >>