C312322331333132212111133133313331333133312121111331333133112123321   >>    C31232233133313221211113313331333133313331212111133133313311212332   <<    C312322331333132212111133133313331333133312121111331333133112123323   >>      C312322331333132212111133133313331333133312121111331333133112123322   >>