C31232233133313221211113313331333133313331212111112313331323112131121   >>    C3123223313331322121111331333133313331333121211111231333132311213112   <<    C31232233133313221211113313331333133313331212111112313331323112131123   >>      C31232233133313221211113313331333133313331212111112313331323112131122   >>