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

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

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

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

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