C11111211113313112113313331333133313331333132322121111331322231221   >>    C1111121111331311211331333133313331333133313232212111133132223122   <<    C11111211113313112113313331333133313331333132322121111331322231223   >>      C11111211113313112113313331333133313331333132322121111331322231222   >>