C313212111113331323312111133133313331333133313331333133313331323211123131   >>    C31321211111333132331211113313331333133313331333133313331333132321112313   <<    C313212111113331323312111133133313331333133313331333133313331323211123133   >>      C313212111113331323312111133133313331333133313331333133313331323211123132   >>