C222133313331333131123313231333133313331333132331211111333232221   >>    C22213331333133313112331323133313331333133313233121111133323222   <<    C222133313331333131123313231333133313331333132331211111333232223   >>      C222133313331333131123313231333133313331333132331211111333232222   >>