C222123232321333131133133313331323133313112111121111322132312121   >>    C22212323232133313113313331333132313331311211112111132213231212   <<    C222123232321333131133133313331323133313112111121111322132312123   >>      C222123232321333131133133313331323133313112111121111322132312122   >>