C313212111113331323312111133133313331333133313331333133313331333113313113221   >>    C31321211111333132331211113313331333133313331333133313331333133311331311322   <<    C313212111113331323312111133133313331333133313331333133313331333113313113223   >>      C313212111113331323312111133133313331333133313331333133313331333113313113222   >>