C3132121111133313233121111331333133313331333133313331333133311211331323211   >>    C313212111113331323312111133133313331333133313331333133313331121133132321   <<    C3132121111133313233121111331333133313331333133313331333133311211331323213   >>      C3132121111133313233121111331333133313331333133313331333133311211331323212   >>