C312322331333132212111133133313331333133312121111331323222123311233121   >>    C31232233133313221211113313331333133313331212111133132322212331123312   <<    C312322331333132212111133133313331333133312121111331323222123311233123   >>      C312322331333132212111133133313331333133312121111331323222123311233122   >>