C31232233133313221211113313331333133313331212111133133313221333133313222112321   >>    C3123223313331322121111331333133313331333121211113313331322133313331322211232   <<    C31232233133313221211113313331333133313331212111133133313221333133313222112323   >>      C31232233133313221211113313331333133313331212111133133313221333133313222112322   >>