C11111211113313112113313331333133313331333132212111133133313331333133323221131   >>    C1111121111331311211331333133313331333133313221211113313331333133313332322113   <<    C11111211113313112113313331333133313331333132212111133133313331333133323221133   >>      C11111211113313112113313331333133313331333132212111133133313331333133323221132   >>