C132233133112121111331333133313331312121111133313331333112133313331333132211321   >>    C13223313311212111133133313331333131212111113331333133311213331333133313221132   <<    C132233133112121111331333133313331312121111133313331333112133313331333132211323   >>      C132233133112121111331333133313331312121111133313331333112133313331333132211322   >>