C3123223313331322121111331333133313121111331323133313232332333121   >>    C312322331333132212111133133313331312111133132313331323233233312   <<    C3123223313331322121111331333133313121111331323133313232332333123   >>      C3123223313331322121111331333133313121111331323133313232332333122   >>