C22213331333133313112331323133313331333133313232321333133313222233133313221111   >>    C2221333133313331311233132313331333133313331323232133313331322223313331322111   <<    C22213331333133313112331323133313331333133313232321333133313222233133313221113   >>      C22213331333133313112331323133313331333133313232321333133313222233133313221112   >>