C1111133313331323223313331333133313331333131211113313331211111133132313133231   >>    C111113331333132322331333133313331333133313121111331333121111113313231313323   <<    C1111133313331323223313331333133313331333131211113313331211111133132313133233   >>      C1111133313331323223313331333133313331333131211113313331211111133132313133232   >>