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

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

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

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

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