C1111133313331323223313331333133313331323131211113312111113111121   >>    C111113331333132322331333133313331333132313121111331211111311112   <<    C1111133313331323223313331333133313331323131211113312111113111123   >>      C1111133313331323223313331333133313331323131211113312111113111122   >>