C31232233133313221211113313331333133313331212111133133313231311311321   >>    C3123223313331322121111331333133313331333121211113313331323131131132   <<    C31232233133313221211113313331333133313331212111133133313231311311323   >>      C31232233133313221211113313331333133313331212111133133313231311311322   >>