C22212323232133313113313331333132313331323132213231312122221221312131   >>    C2221232323213331311331333133313231333132313221323131212222122131213   <<    C22212323232133313113313331333132313331323132213231312122221221312133   >>      C22212323232133313113313331333132313331323132213231312122221221312132   >>