C132233133112121111331333133313331312121111133313331333131121333132331221121   >>    C13223313311212111133133313331333131212111113331333133313112133313233122112   <<    C132233133112121111331333133313331312121111133313331333131121333132331221123   >>      C132233133112121111331333133313331312121111133313331333131121333132331221122   >>