C3132121111133313233121111331333133313331333133313331323133313331322121111   >>    C313212111113331323312111133133313331333133313331333132313331333132212111   <<    C3132121111133313233121111331333133313331333133313331323133313331322121113   >>      C3132121111133313233121111331333133313331333133313331323133313331322121112   >>