C11111211113313112113313331333133313331333132322121111332233131   >>    C1111121111331311211331333133313331333133313232212111133223313   <<    C11111211113313112113313331333133313331333132322121111332233133   >>      C11111211113313112113313331333133313331333132322121111332233132   >>