C22212323232133313113313331333132313331323132213231312131123311231231   >>    C2221232323213331311331333133313231333132313221323131213112331123123   <<    C22212323232133313113313331333132313331323132213231312131123311231233   >>      C22212323232133313113313331333132313331323132213231312131123311231232   >>