C11112331312111112111133133313331333132212111133133313331333132311211323131   >>    C1111233131211111211113313331333133313221211113313331333133313231121132313   <<    C11112331312111112111133133313331333132212111133133313331333132311211323133   >>      C11112331312111112111133133313331333132212111133133313331333132311211323132   >>