C312322331333132212111133133313331333133312121111123231333132313331321231   >>    C31232233133313221211113313331333133313331212111112323133313231333132123   <<    C312322331333132212111133133313331333133312121111123231333132313331321233   >>      C312322331333132212111133133313331333133312121111123231333132313331321232   >>