C313212111113331323312111133133313331333133313331333132313331333131121311321   >>    C31321211111333132331211113313331333133313331333133313231333133313112131132   <<    C313212111113331323312111133133313331333133313331333132313331333131121311323   >>      C313212111113331323312111133133313331333133313331333132313331333131121311322   >>