C132233133112121111331333133313331312121111133313331333132213233131   >>    C13223313311212111133133313331333131212111113331333133313221323313   <<    C132233133112121111331333133313331312121111133313331333132213233133   >>      C132233133112121111331333133313331312121111133313331333132213233132   >>