C222133313331333131123313231333133313331333132233312111133131232332211   >>    C22213331333133313112331323133313331333133313223331211113313123233221   <<    C222133313331333131123313231333133313331333132233312111133131232332213   >>      C222133313331333131123313231333133313331333132233312111133131232332212   >>