C31321211111333132331211113313331333133313331333131211113313221321   >>    C3132121111133313233121111331333133313331333133313121111331322132   <<    C31321211111333132331211113313331333133313331333131211113313221323   >>      C31321211111333132331211113313331333133313331333131211113313221322   >>