4
6 r! \! p$ g6 j+ M2 u8 ?4 z5 fingers with 4 gaps,
7 l6 Z" _* P" ]7 ^- y+ q0 ASo, half of 5 fingers is 2 gaps (3 fingers)
3 H* M' D; S/ Ttvb now,tvbnow,bttvbThen 10 fingers is 9 gaps
: {; G( f6 v% i/ iAnd so, one-third of 10 fingers is 3 gaps (4 fingers) |