C312322331333132212111133133313331323133313221211331333133313311212131122231   >>    C31232233133313221211113313331333132313331322121133133313331331121213112223   <<    C312322331333132212111133133313331323133313221211331333133313311212131122233   >>      C312322331333132212111133133313331323133313221211331333133313311212131122232   >>