C31232233133313221211113313331333133313331212111133121111332212321   >>    C3123223313331322121111331333133313331333121211113312111133221232   <<    C31232233133313221211113313331333133313331212111133121111332212323   >>      C31232233133313221211113313331333133313331212111133121111332212322   >>