G21313231323133313221323132312121111331323132313223313232322131   >>    G2131323132313331322132313231212111133132313231322331323232213   <<    G21313231323133313221323132312121111331323132313223313232322133   >>      G21313231323133313221323132312121111331323132313223313232322132   >>