C1111133313331323223313331333133313331323131211113322331311113121   >>    C111113331333132322331333133313331333132313121111332233131111312   <<    C1111133313331323223313331333133313331323131211113322331311113123   >>      C1111133313331323223313331333133313331323131211113322331311113122   >>