(0 15 6)(1 20 11)(2 17 4)(3 9 5)(7 19 8)(10 14 12)(13 18 16)
ALLOWS (11/8)-SEQUENCE
1: (1 4 11)

(0 15 6)(1)(2 17 4 20 11)(3 9 5)(7 19 8)(10 14 12)(13 18 16)
2: (2 17 4)

(0 15 6)(1)(2 20 11)(3 9 5)(4)(7 19 8)(10 14 12)(13 18 16)(17)
3: (0 15 6)

(0)(1)(2 20 11)(3 9 5)(4)(6)(7 19 8)(10 14 12)(13 18 16)(15)(17)
4: (13 18 16)

(0)(1)(2 20 11)(3 9 5)(4)(6)(7 19 8)(10 14 12)(13)(15)(16)(17)(18)