C3132121111133313233121111331333133313331333133313331333133313331333222323131   >>    C313212111113331323312111133133313331333133313331333133313331333133322232313   <<    C3132121111133313233121111331333133313331333133313331333133313331333222323133   >>      C3132121111133313233121111331333133313331333133313331333133313331333222323132   >>