C31232233133313221211113313331333133313331212111133133313233313331323133321121   >>    C3123223313331322121111331333133313331333121211113313331323331333132313332112   <<    C31232233133313221211113313331333133313331212111133133313233313331323133321123   >>      C31232233133313221211113313331333133313331212111133133313233313331323133321122   >>