C222123232321333131133133313331323133313231333133323311322233223331   >>    C22212323232133313113313331333132313331323133313332331132223322333   <<    C222123232321333131133133313331323133313231333133323311322233223333   >>      C222123232321333131133133313331323133313231333133323311322233223332   >>