C312322331333132212111133133313331333133312121111331333132213232331   >>    C31232233133313221211113313331333133313331212111133133313221323233   <<    C312322331333132212111133133313331333133312121111331333132213232333   >>      C312322331333132212111133133313331333133312121111331333132213232332   >>