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

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

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

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

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