C3132121111133313233121111331333133313331333133313121111331322331121   >>    C313212111113331323312111133133313331333133313331312111133132233112   <<    C3132121111133313233121111331333133313331333133313121111331322331123   >>      C3132121111133313233121111331333133313331333133313121111331322331122   >>