C111123313121111121111331323133313331333132322121111121111132112121   >>    C11112331312111112111133132313331333133313232212111112111113211212   <<    C111123313121111121111331323133313331333132322121111121111132112123   >>      C111123313121111121111331323133313331333132322121111121111132112122   >>