C313212111113331323312111133133313331333133313331333133313331323221211111322121   >>    C31321211111333132331211113313331333133313331333133313331333132322121111132212   <<    C313212111113331323312111133133313331333133313331333133313331323221211111322123   >>      C313212111113331323312111133133313331333133313331333133313331323221211111322122   >>