C222123232321333131133133313331323133313233311232313233232321132221   >>    C22212323232133313113313331333132313331323331123231323323232113222   <<    C222123232321333131133133313331323133313233311232313233232321132223   >>      C222123232321333131133133313331323133313233311232313233232321132222   >>