C11111211113313112113313331333132313331322121111133313331323133311321   >>    C1111121111331311211331333133313231333132212111113331333132313331132   <<    C11111211113313112113313331333132313331322121111133313331323133311323   >>      C11111211113313112113313331333132313331322121111133313331323133311322   >>