C3132121111133313233121111331333133313331333133313331333131323112121   >>    C313212111113331323312111133133313331333133313331333133313132311212   <<    C3132121111133313233121111331333133313331333133313331333131323112123   >>      C3132121111133313233121111331333133313331333133313331333131323112122   >>