C132233133112121111331333133313331333131231333131133131121132322131   >>    C13223313311212111133133313331333133313123133313113313112113232213   <<    C132233133112121111331333133313331333131231333131133131121132322133   >>      C132233133112121111331333133313331333131231333131133131121132322132   >>