C1212121231123232233131323223313231333132333132322331323132313331323313231   >>    C121212123112323223313132322331323133313233313232233132313231333132331323   <<    C1212121231123232233131323223313231333132333132322331323132313331323313233   >>      C1212121231123232233131323223313231333132333132322331323132313331323313232   >>