C222123232321333131133133313331323133313231322132313121121221231   >>    C22212323232133313113313331333132313331323132213231312112122123   <<    C222123232321333131133133313331323133313231322132313121121221233   >>      C222123232321333131133133313331323133313231322132313121121221232   >>