G21131331211331322331323132233131121133132233132321133132311121   >>    G2113133121133132233132313223313112113313223313232113313231112   <<    G21131331211331322331323132233131121133132233132321133132311123   >>      G21131331211331322331323132233131121133132233132321133132311122   >>