C22212323232133313113313331333132313331323132213231312121233113311   >>    C2221232323213331311331333133313231333132313221323131212123311331   <<    C22212323232133313113313331333132313331323132213231312121233113313   >>      C22212323232133313113313331333132313331323132213231312121233113312   >>