C31232233133313221211113313331333132313331322121111121111132331211113312321   >>    C3123223313331322121111331333133313231333132212111112111113233121111331232   <<    C31232233133313221211113313331333132313331322121111121111132331211113312323   >>      C31232233133313221211113313331333132313331322121111121111132331211113312322   >>