C111123313121111121111331323133313233313232233132313231312323231   >>    C11112331312111112111133132313331323331323223313231323131232323   <<    C111123313121111121111331323133313233313232233132313231312323233   >>      C111123313121111121111331323133313233313232233132313231312323232   >>