C222133313331333131123313231333133313331333132331211111323123232321311   >>    C22213331333133313112331323133313331333133313233121111132312323232131   <<    C222133313331333131123313231333133313331333132331211111323123232321313   >>      C222133313331333131123313231333133313331333132331211111323123232321312   >>