C11111211113313112113313331333133313331333132322121111331322231323131   >>    C1111121111331311211331333133313331333133313232212111133132223132313   <<    C11111211113313112113313331333133313331333132322121111331322231323133   >>      C11111211113313112113313331333133313331333132322121111331322231323132   >>