C312322331333132212111133133313331333133312121111331333132213331333132322131221   >>    C31232233133313221211113313331333133313331212111133133313221333133313232213122   <<    C312322331333132212111133133313331333133312121111331333132213331333132322131223   >>      C312322331333132212111133133313331333133312121111331333132213331333132322131222   >>