C3132121111133313233121111331333133313331333133313331333133313331333211331121   >>    C313212111113331323312111133133313331333133313331333133313331333133321133112   <<    C3132121111133313233121111331333133313331333133313331333133313331333211331123   >>      C3132121111133313233121111331333133313331333133313331333133313331333211331122   >>