C22212323232133313113313331333132313331323132213231312112123233131   >>    C2221232323213331311331333133313231333132313221323131211212323313   <<    C22212323232133313113313331333132313331323132213231312112123233133   >>      C22212323232133313113313331333132313331323132213231312112123233132   >>