C31232233133313221211113313331333133313331212111133112113313331323112233111   >>    C3123223313331322121111331333133313331333121211113311211331333132311223311   <<    C31232233133313221211113313331333133313331212111133112113313331323112233113   >>      C31232233133313221211113313331333133313331212111133112113313331323112233112   >>