C132233133112121111331333133313331333132322331333131322331123313211   >>    C13223313311212111133133313331333133313232233133313132233112331321   <<    C132233133112121111331333133313331333132322331333131322331123313213   >>      C132233133112121111331333133313331333132322331333131322331123313212   >>