C111123313121111121111331333133313231323132322331333132233132211   >>    C11112331312111112111133133313331323132313232233133313223313221   <<    C111123313121111121111331333133313231323132322331333132233132213   >>      C111123313121111121111331333133313231323132322331333132233132212   >>