C31321211111333132331211113313331333133313331333133313331333133313112123313221   >>    C3132121111133313233121111331333133313331333133313331333133313331311212331322   <<    C31321211111333132331211113313331333133313331333133313331333133313112123313223   >>      C31321211111333132331211113313331333133313331333133313331333133313112123313222   >>