C222123232321333131133133313331323133313231333133323311322222313332211   >>    C22212323232133313113313331333132313331323133313332331132222231333221   <<    C222123232321333131133133313331323133313231333133323311322222313332213   >>      C222123232321333131133133313331323133313231333133323311322222313332212   >>