C22213331333133313112331323133313331333132311331323133313112332211   >>    C2221333133313331311233132313331333133313231133132313331311233221   <<    C22213331333133313112331323133313331333132311331323133313112332213   >>      C22213331333133313112331323133313331333132311331323133313112332212   >>