C3132121111133313233121111331333133313331322331333133313333222131   >>    C313212111113331323312111133133313331333132233133313331333322213   <<    C3132121111133313233121111331333133313331322331333133313333222133   >>      C3132121111133313233121111331333133313331322331333133313333222132   >>