C11111211113313112113313331333133313331333132212111133133313331323221211111311   >>    C1111121111331311211331333133313331333133313221211113313331333132322121111131   <<    C11111211113313112113313331333133313331333132212111133133313331323221211111313   >>      C11111211113313112113313331333133313331333132212111133133313331323221211111312   >>