C3132121111133313233121111331333133313331333133313331333132311311321   >>    C313212111113331323312111133133313331333133313331333133313231131132   <<    C3132121111133313233121111331333133313331333133313331333132311311323   >>      C3132121111133313233121111331333133313331333133313331333132311311322   >>