C11111211113313112113313331333132313331322121111133313331322113113113121   >>    C1111121111331311211331333133313231333132212111113331333132211311311312   <<    C11111211113313112113313331333132313331322121111133313331322113113113123   >>      C11111211113313112113313331333132313331322121111133313331322113113113122   >>