C111123313121111121111331323133313331333132322121111331322112331322112121   >>    C11112331312111112111133132313331333133313232212111133132211233132211212   <<    C111123313121111121111331323133313331333132322121111331322112331322112123   >>      C111123313121111121111331323133313331333132322121111331322112331322112122   >>