C132233133112121111331333133313331333132322331333131121133233331   >>    C13223313311212111133133313331333133313232233133313112113323333   <<    C132233133112121111331333133313331333132322331333131121133233333   >>      C132233133112121111331333133313331333132322331333131121133233332   >>