C111123313121111121111331333133313231323132322331333132233132331233132322121   >>    C11112331312111112111133133313331323132313232233133313223313233123313232212   <<    C111123313121111121111331333133313231323132322331333132233132331233132322123   >>      C111123313121111121111331333133313231323132322331333132233132331233132322122   >>