C1111133313331323223313331333133313331323131211111133131123313133131   >>    C111113331333132322331333133313331333132313121111113313112331313313   <<    C1111133313331323223313331333133313331323131211111133131123313133133   >>      C1111133313331323223313331333133313331323131211111133131123313133132   >>