C222133313331333131123313231333133313331333131123313232221133321   >>    C22213331333133313112331323133313331333133313112331323222113332   <<    C222133313331333131123313231333133313331333131123313232221133323   >>      C222133313331333131123313231333133313331333131123313232221133322   >>