C3132121111133313233121111331333133313331322331333132213232332311   >>    C313212111113331323312111133133313331333132233133313221323233231   <<    C3132121111133313233121111331333133313331322331333132213232332313   >>      C3132121111133313233121111331333133313331322331333132213232332312   >>