C31232233133313221211113313331333132313331322121111331311223213321   >>    C3123223313331322121111331333133313231333132212111133131122321332   <<    C31232233133313221211113313331333132313331322121111331311223213323   >>      C31232233133313221211113313331333132313331322121111331311223213322   >>