G21131331211331322331323132233131121133132233132321133132322132223221
>>
G2113133121133132233132313223313112113313223313232113313232213222322
<<
G21131331211331322331323132233131121133132233132321133132322132223223
>>
G21131331211331322331323132233131121133132233132321133132322132223222
>>