C1111133313331323223313331333133313331333131133133313231121111321   >>    C111113331333132322331333133313331333133313113313331323112111132   <<    C1111133313331323223313331333133313331333131133133313231121111323   >>      C1111133313331323223313331333133313331333131133133313231121111322   >>