C312322331333132212111133133313331333133312121111113313113313331323231231   >>    C31232233133313221211113313331333133313331212111111331311331333132323123   <<    C312322331333132212111133133313331333133312121111113313113313331323231233   >>      C312322331333132212111133133313331333133312121111113313113313331323231232   >>