C111123313121111121111331323133313331333132322121111331322112331322312311   >>    C11112331312111112111133132313331333133313232212111133132211233132231231   <<    C111123313121111121111331323133313331333132322121111331322112331322312313   >>      C111123313121111121111331323133313331333132322121111331322112331322312312   >>