C22212323232133313113313331333132313331323133313333221232212211111   >>    C2221232323213331311331333133313231333132313331333322123221221111   <<    C22212323232133313113313331333132313331323133313333221232212211113   >>      C22212323232133313113313331333132313331323133313333221232212211112   >>