C1111133313331323223313331333133313331333131211113313332332313121   >>    C111113331333132322331333133313331333133313121111331333233231312   <<    C1111133313331323223313331333133313331333131211113313332332313123   >>      C1111133313331323223313331333133313331333131211113313332332313122   >>