C1322331331121211113313331333133313331323223313331333231333221221   >>    C132233133112121111331333133313331333132322331333133323133322122   <<    C1322331331121211113313331333133313331323223313331333231333221223   >>      C1322331331121211113313331333133313331323223313331333231333221222   >>