C3123223313331322121111331333133313231323211331323132313231311211   >>    C312322331333132212111133133313331323132321133132313231323131121   <<    C3123223313331322121111331333133313231323211331323132313231311213   >>      C3123223313331322121111331333133313231323211331323132313231311212   >>