C1111121111331311211331333131333132313331333133313331323221213121   >>    C111112111133131121133133313133313231333133313331333132322121312   <<    C1111121111331311211331333131333132313331333133313331323221213123   >>      C1111121111331311211331333131333132313331333133313331323221213122   >>