C31232233133313221211113313331333132313331322121111121111132333212321   >>    C3123223313331322121111331333133313231333132212111112111113233321232   <<    C31232233133313221211113313331333132313331322121111121111132333212323   >>      C31232233133313221211113313331333132313331322121111121111132333212322   >>