C3132121111133313233121111331333133313331333133313331333133313223313112113211   >>    C313212111113331323312111133133313331333133313331333133313331322331311211321   <<    C3132121111133313233121111331333133313331333133313331333133313223313112113213   >>      C3132121111133313233121111331333133313331333133313331333133313223313112113212   >>