C3123223313331322121111331333131133133313331333132313231323112321   >>    C312322331333132212111133133313113313331333133313231323132311232   <<    C3123223313331322121111331333131133133313331333132313231323112323   >>      C3123223313331322121111331333131133133313331333132313231323112322   >>