C11111211113313112113313331333133313331312322121111133313331333223332213231321   >>    C1111121111331311211331333133313331333131232212111113331333133322333221323132   <<    C11111211113313112113313331333133313331312322121111133313331333223332213231323   >>      C11111211113313112113313331333133313331312322121111133313331333223332213231322   >>