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

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

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

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

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