C3123223313331322121111331333133313231333132212113313331323132312233221   >>    C312322331333132212111133133313331323133313221211331333132313231223322   <<    C3123223313331322121111331333133313231333132212113313331323132312233223   >>      C3123223313331322121111331333133313231333132212113313331323132312233222   >>