C222123232321333131133133313331323133313233311232313233232323131332221   >>    C22212323232133313113313331333132313331323331123231323323232313133222   <<    C222123232321333131133133313331323133313233311232313233232323131332223   >>      C222123232321333131133133313331323133313233311232313233232323131332222   >>