C31232233133313221211113313331333132313331322121111121111332221233321   >>    C3123223313331322121111331333133313231333132212111112111133222123332   <<    C31232233133313221211113313331333132313331322121111121111332221233323   >>      C31232233133313221211113313331333132313331322121111121111332221233322   >>