C1111133313331323223313331333133313231323112113313121133131332321   >>    C111113331333132322331333133313331323132311211331312113313133232   <<    C1111133313331323223313331333133313231323112113313121133131332323   >>      C1111133313331323223313331333133313231323112113313121133131332322   >>