C3132121111133313233121111331333133313331333133313331333133313232332223231   >>    C313212111113331323312111133133313331333133313331333133313331323233222323   <<    C3132121111133313233121111331333133313331333133313331333133313232332223233   >>      C3132121111133313233121111331333133313331333133313331333133313232332223232   >>