Solution

 Do not get the small by UTTEGAESHI.

Problem 1.(J2,H2,G2,K2,H1,M2,K5,K3,K1,L2,N2,M4,L4  ).

Problem 2. After (K3,N2), (H2,J2,G2,J3,J1) or (K2,K3,J3,J2,K3,K1,L2,H2,N2).

Problem 3. (J3,J2,K2,H2,M4,K5,L4,M2,O2,M1,N3,N2,P5,N3,L1 ).

Problem 4. (K8,L7,L6,M5,N5,M6,N7,L2,N8,O10,M9 )

Problem 5. Chinese character 'I' ( H1,G19,R19,A19,B19,C19,E19,Q1,T4 )