C22212323232133313113313331333132313331323221121212331312121111   >>    C2221232323213331311331333133313231333132322112121233131212111   <<    C22212323232133313113313331333132313331323221121212331312121113   >>      C22212323232133313113313331333132313331323221121212331312121112   >>