Call
4v.tt4.t.t4t.ss4s...
Pattern A
4ss.s4s.s.
4s..s4s.tt
4ss.b4t.t.
4ss.s4s.tt4s.b.4sbtt
4s..s4s.b.4s.tt4s.b.
4tt.s4tts.
4s..t4t...
4t..s4...t4t.s.4s..t
4s..s4s.tt4s.bs4s.tt
4tt.b4s.s.4s..b4s.s.
Pattern B
4s.ss4.ss.
4b.tt4..s.4..tt4..s.
4v.tt4bss.
4t.tt4..f.4s.ss4..s.
4b.tt4..s.4b.tt4..v.
4b..s4.tt.4b.s.4.tt.
4bt.t4b.s.4b.t.4b.s.
4b.tt4b.s.
4ssss4.bt.4b.ss4.bt.
4b.ss4.bt.4b.ss4.bt.
4s.tt4s.s.
4ttss4..s.4tt.s4b.s.
4b.ss4btt.4b.s.4btt.
Pattern C
4..ss4..ss
4..tt4..ss
4b.tt4b.ss
4ttss4..ss4ttss4b.ss
4bttt4b.ss
4bttt4b.ss4btt.4qs.s.
4s...4.bss
4b.tt4..st4t.bs4..s.
4s.ss4.stt
4t.ss4..st4t.ss4b.st
4..ss4..ss4..ss4v.ss