C312322331333132212111133133313331333133312121111332311211331211   >>    C31232233133313221211113313331333133313331212111133231121133121   <<    C312322331333132212111133133313331333133312121111332311211331213   >>      C312322331333132212111133133313331333133312121111332311211331212   >>