C1111133313331323223313331333133313331323133313331331123232131211   >>    C111113331333132322331333133313331333132313331333133112323213121   <<    C1111133313331323223313331333133313331323133313331331123232131213   >>      C1111133313331323223313331333133313331323133313331331123232131212   >>