C1111133313331323223313331333133313331323131313121111331333133313231331   >>    C111113331333132322331333133313331333132313131312111133133313331323133   <<    C1111133313331323223313331333133313331323131313121111331333133313231333   >>      C1111133313331323223313331333133313331323131313121111331333133313231332   >>