C312322331333132212111133133313331333133312121111331331123133313231122211   >>    C31232233133313221211113313331333133313331212111133133112313331323112221   <<    C312322331333132212111133133313331333133312121111331331123133313231122213   >>      C312322331333132212111133133313331333133312121111331331123133313231122212   >>