C11111211113313112113313331333132313331322121111133313331322331333131133221   >>    C1111121111331311211331333133313231333132212111113331333132233133313113322   <<    C11111211113313112113313331333132313331322121111133313331322331333131133223   >>      C11111211113313112113313331333132313331322121111133313331322331333131133222   >>