C31232233133313221211113313331333133313331212111133133312331323313131   >>    C3123223313331322121111331333133313331333121211113313331233132331313   <<    C31232233133313221211113313331333133313331212111133133312331323313133   >>      C31232233133313221211113313331333133313331212111133133312331323313132   >>