C222133313331333131123313231333133313331333132331211331323222313111221   >>    C22213331333133313112331323133313331333133313233121133132322231311122   <<    C222133313331333131123313231333133313331333132331211331323222313111223   >>      C222133313331333131123313231333133313331333132331211331323222313111222   >>