C222123232321333131133133313331323133313231333133323311322233131221   >>    C22212323232133313113313331333132313331323133313332331132223313122   <<    C222123232321333131133133313331323133313231333133323311322233131223   >>      C222123232321333131133133313331323133313231333133323311322233131222   >>