C22212323232133313113313331333132313331323133313133113133132121111   >>    C2221232323213331311331333133313231333132313331313311313313212111   <<    C22212323232133313113313331333132313331323133313133113133132121113   >>      C22212323232133313113313331333132313331323133313133113133132121112   >>