C333312111133133312111133133313331323221211111333133313223311321   >>    C33331211113313331211113313331333132322121111133313331322331132   <<    C333312111133133312111133133313331323221211111333133313223311323   >>      C333312111133133312111133133313331323221211111333133313223311322   >>