C313212111113331323312111133133313331333133313331333133313331323232113231   >>    C31321211111333132331211113313331333133313331333133313331333132323211323   <<    C313212111113331323312111133133313331333133313331333133313331323232113233   >>      C313212111113331323312111133133313331333133313331333133313331323232113232   >>