C32221221323133313133313133313231232333132322121111133112323231   >>    C3222122132313331313331313331323123233313232212111113311232323   <<    C32221221323133313133313133313231232333132322121111133112323233   >>      C32221221323133313133313133313231232333132322121111133112323232   >>