C313212111113331323312111133133313331333133313331333133313331323211333131   >>    C31321211111333132331211113313331333133313331333133313331333132321133313   <<    C313212111113331323312111133133313331333133313331333133313331323211333133   >>      C313212111113331323312111133133313331333133313331333133313331323211333132   >>