C3123223313331322121111331333133313231323223313331333232133112323321   >>    C312322331333132212111133133313331323132322331333133323213311232332   <<    C3123223313331322121111331333133313231323223313331333232133112323323   >>      C3123223313331322121111331333133313231323223313331333232133112323322   >>