C3132121111133313233121111331333133313331333133313331323133313331323112113211   >>    C313212111113331323312111133133313331333133313331333132313331333132311211321   <<    C3132121111133313233121111331333133313331333133313331323133313331323112113213   >>      C3132121111133313233121111331333133313331333133313331323133313331323112113212   >>