C11111333133313232233133313331333131123313221211113323112113231   >>    C1111133313331323223313331333133313112331322121111332311211323   <<    C11111333133313232233133313331333131123313221211113323112113233   >>      C11111333133313232233133313331333131123313221211113323112113232   >>