C1111133313331323223313331333133313331333131211113313332223112321   >>    C111113331333132322331333133313331333133313121111331333222311232   <<    C1111133313331323223313331333133313331333131211113313332223112323   >>      C1111133313331323223313331333133313331333131211113313332223112322   >>