C111123313121111121111331333133313331333131333133313331333133112111112331321   >>    C11112331312111112111133133313331333133313133313331333133313311211111233132   <<    C111123313121111121111331333133313331333131333133313331333133112111112331323   >>      C111123313121111121111331333133313331333131333133313331333133112111112331322   >>